138ft Heat Roof Gutter De-icing Ice Snow Melter Cable Tape Kit with ThermostatRELIABLE HEAT TAPE- Input: 115-125V; Length: 138ft; Working Temperature: -40 to 105; Output: 7W/FT; Bending Radius: 2.36; This gutter heater cable is made of 2pcs heating conductor and wrapped with PVC layer, braided copper. It is 105 temperature-resistant. More safe & durable.